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13.

Application with Energy Meter

With Modbus card II and energy meter, hybrid inverter can be easily integrated into the
existing household system. For details please refer to Modbus card II manual.

Note:

this application is only valid for

Grid-Tie with Backup II

mode.

Equipped with Modbus card II, hybrid inverter is connected to energy meter with RS485
communication port. It’s to arrange self-consumption via Modbus card to control power
generation and battery charging of the inverter.

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Summary of Contents for Sp4000 Premium

Page 1: ...Sp4000 Premium Hybrid PV Inverter User manual Version 1 2 User Manual...

Page 2: ...7 Battery Connection 12 8 Load AC Output Connection 13 9 EMS Connection 15 10 Generator connection 15 12 Communication 16 13 Dry Contact Signal 17 14 Application with Energy Meter 19 15 Commissioning...

Page 3: ...erate power to feed the grid utility and charge battery This inverter is only compatible with PV module types of single crystalline and poly crystalline Do not connect any PV array types other than th...

Page 4: ...y disconnecting AC DC and battery power from the inverter before attempting any maintenance cleaning or working on any circuits connected to the inverter Turning off controls will not reduce this risk...

Page 5: ...ow drops or otherwise is damaged in any way If the Inverter is damaged please call for an RMA Return Material Authorization CAUTION AC breaker DC switch and Battery circuit breaker are used as disconn...

Page 6: ...l USB cable 3 2 Product Overview 1 PV connectors 2 AC output connectors Load connection 3 Battery connectors 4 AC Grid connectors 5 Dry contact 6 USB communication port 7 RS 232 communication port 8 I...

Page 7: ...is inverter please use appropriate cables for grid connection The pollution degree of the inverter is PD2 Select an appropriate mounting location Install the solar inverter in a protected area where i...

Page 8: ...r holes in the marked locations with four screws 2 Place the unit on the surface and align the mounting holes with the four screws 3 Check if the solar inverter is firmly secured Note Recommended spec...

Page 9: ...use appropriate cable for grid utility connection To reduce risk of injury please use the proper size of cable recommended below Suggested cable required for AC wire Nominal Grid Voltage 230VAC Condu...

Page 10: ...to connect PE protective conductor first L LINE brown or black Ground yellow green N Neutral blue Step 5 Make sure the wires are securely connected The reference tightening torque is 0 82 N m Note For...

Page 11: ...ble provided PV connectors with PV modules by the following steps Components for PV connectors and Tools Female connector housing Female terminal Male connector housing Male terminal CAUTION Exceeding...

Page 12: ...emale connector housing as shown below Insert striped cable into male terminal and crimp male terminal as shown below Insert assembled cable into male connector housing as shown below Then use spanner...

Page 13: ...12 Recommended Panel Configuration Solar Panel Spec reference 250Wp Vmp 36 7Vdc Imp 6 818A Voc 44Vdc Isc 7 636A Cells 72 SOLAR INPUT Q ty of panels Total Input Power Numbers in serial Strings in paral...

Page 14: ...r inverter is 48VDC Step 2 Use two battery cables Remove insulation sleeve 12 mm away and insert conductor into cable ring terminal Refer to the right diagram Step 3 Remove battery cover and install i...

Page 15: ...rten phase L and neutral conductor N 3 mm Refer to chart 4 Step 2 Connect wires according to polarities indicated on terminal block Be sure to connect PE protective conductor first Refer to Chart 5 L...

Page 16: ...working in battery mode it will cut off AC output and remain energy through EMS port when battery voltage drops down to the setting value in Battery voltage to cut off mains output in battery mode Af...

Page 17: ...en Emergency power supply control is enabled EMS port will be activated Even though battery voltage drops to cut off AC output point EMS port will reserve output power for emergent use 10 Generator co...

Page 18: ...iring and install the software For RS232 port you should use a DB9 cable as follows For USB port you should use a USB cable as follows For Dry contact port please remove insulation sleeve of the three...

Page 19: ...relay will be damaged 12 2 Function Description Unit Status Condition Dry contact port NO C NC C Power Off Unit is off and no output is powered Open Close Power On Battery voltage is lower than settin...

Page 20: ...18 You can set the related parameters in software Refer to the diagram below...

Page 21: ...tem For details please refer to Modbus card II manual Note this application is only valid for Grid Tie with Backup II mode Equipped with Modbus card II hybrid inverter is connected to energy meter wit...

Page 22: ...aker Meanwhile the inverter is already on However there is no output for loads Then If LCD lights up it displays the current inverter status and indicates its successful commission After pressing ON b...

Page 23: ...h backup Grid Tie and Off Grid Grid tie with backup PV power can feed back to grid provide power to the load and charge battery There are four options available in this mode Grid tie with backup I II...

Page 24: ...ery AC output ON Off Timer Set up on off time for AC output of inverter If setting it as 00 00 00 00 this function is disabled Allow to charge battery This option is automatically determined by settin...

Page 25: ...available This option is only valid in Grid tie with backup II or Grid tie with backup III modes Allow battery to feed in to the Grid when PV is unavailable This option is only valid in all options o...

Page 26: ...s running out grid will back up the load NOTE This option will become ineffective during AC charging time and the priority will automatically become 1st Grid and 2nd Battery order Otherwise it will ca...

Page 27: ...is not available battery power will provide power backup 2 1st Battery 2nd Grid Battery power will provide power to the load at first If battery power is running out grid will back up the load NOTE T...

Page 28: ...d Battery PV power will provide power to the load first If it s not sufficient grid will provide power to the load If grid is not available at the same time battery power will back up When PV power is...

Page 29: ...rst If battery power is running out grid will back up the load Working logic under off peak time PV energy supply priority 1st Battery 2nd Load and 3rd Grid PV power will charge battery first If PV po...

Page 30: ...is not available grid will charge battery Default 2 PV only It is only allow PV power to charge battery 3 None It is not allowed to charge battery no matter it s from PV power or grid Load supply sour...

Page 31: ...ted in Inverter mode That means the transfer time from inverter mode to battery mode will be less than 15ms Besides it will avoid overload fault because grid can supply load when connected load is ove...

Page 32: ...d first and then charge battery Feed in to the grid is not allowed under this mode The grid relay is NOT connected in Inverter mode That means the transfer time from inverter mode to battery mode will...

Page 33: ...is not available 1 1st Grid 2nd Battery Grid will provide power to the load first If grid is not available battery power will provide power backup 2 1st Battery 2nd Grid Battery power will provide po...

Page 34: ...ge frequency or load percentage kVA apparent power kW active power Vac Voltage Load percentage Hz frequency Indicates PV input voltage or power Volt voltage kW power P1 PV input 1 P2 PV input 2 Indica...

Page 35: ...rovide power to the connected loads Indicates overload Indicates PV energy is generated Indicates inverter is in use of generator Indicates inverter is connecting with Energy meter 16 3 Button Definit...

Page 36: ...been set The displayed status can be changed in query menu via button operation Press Enter button to enter query menu There are seven query selections Input voltage or frequency of AC input Frequency...

Page 37: ...35 Frequency voltage power or percentage of AC output Procedure Input voltage or power of PV input Procedure...

Page 38: ...36 Battery voltage or percentage Procedure Date and time Procedure...

Page 39: ...staller Inverter mode with grid connected This inverter is connected to grid and working with DC INV operation LCD Display Description PV power is sufficient to charge battery provide power to loads a...

Page 40: ...ia AC output PV power is sufficient to charge battery first Remaining PV power will feed in back to grid This inverter is disabled to generate power to the loads via AC output PV power and utility are...

Page 41: ...to charge battery and provides power to the connected loads PV power is generated but not sufficient to power loads by itself PV power and battery are providing power to the connected loads at the sa...

Page 42: ...r output is enabled but an error occurs in AC output Only PV power is sufficient to charge battery This inverter is disabled to generate power to the loads via AC output PV power is not detected or av...

Page 43: ...ent is down to 12 Amp Third go to floating charging at 54V This inverter can connect to battery types of sealed lead acid battery vented battery gel battery and lithium battery The detailed installati...

Page 44: ...42 There is setting screen from software shown below...

Page 45: ...ngs or other metal objects b Use tools with insulated handles c Wear rubber gloves and boots d Do not lay tools or metal parts on top of batteries e Disconnect charging source before connecting or dis...

Page 46: ...s too high 04 Line frequency low loss Grid frequency is too low 05 Line voltage loss for long time Grid voltage is higher than 253V 06 Ground Loss Ground wire is not detected 07 Island detect Island o...

Page 47: ...t the inverter 2 If the error message still remains please contact your installer 06 Over temperature Internal temperature is too high 1 Check the ambient temperature and fans 2 If the error message s...

Page 48: ...10 load and time is up Reduced the connected load by switching off some equipment 26 INV short Output short circuited Check if wiring is connected well and remove abnormal load 27 Fan lock Fan failed...

Page 49: ...uency Range 47 5 51 5 Hz or 59 3 60 5Hz Nominal Output Current 17 4 A Inrush Current Duration 17 4 A 20ms Maximum Output Fault Current Duration 52 A 1ms Maximum output Overcurrent Protection 52 A Powe...

Page 50: ...Port USB Intelligent Slot Optional SNMP Modbus and AS 400 cards available ENVIRONMENT Protective Class I Ingress Protection Rating IP20 Humidity 0 90 RH No condensing Operating Temperature 10 to 55 C...

Page 51: ...necessary to allow a clearance of approx 20 cm to the side and approx 50 cm above and below the unit Be sure to install each unit in the same level 21 3 Wiring Connection The cable size of each inver...

Page 52: ...tected from over current of battery Recommended battery breaker for each inverter Model One unit 4KW 125A 60VDC If you want to use only one breaker at the battery side for the whole system the rating...

Page 53: ...please connect L N G terminals of AC input and AC output for each inverter together respectively and connect all battery terminals of each inverter together Two inverters in parallel Power Connection...

Page 54: ...52 Four inverters in parallel Power Connection Communication Connection Five inverters in parallel Power Connection Communication Connection...

Page 55: ...onnection Communication Connection Seven to nine inverters in parallel Power Connection L N G L N G BAT BAT Battery Load Utility Communication Connection Seven inverters in parallel Eight inverters in...

Page 56: ...ected with serial port directly The other inverters will not be listed in SolarPower software However some settings can be applied to all with serial port connection These kinds of settings are listed...

Page 57: ...le or Disable If you want to use parallel function please choose Enable and press button Then button will be shown on the screen Please be sure to click button before clicking button There is a Sync b...

Page 58: ...56 Parallel for output Enable Parallel for output Disable...

Page 59: ...Correct wire connection Ensure all breakers in Line wires of load side are open and all Neutral wires of each unit are connected together Step 2 Turn on each unit and set enable parallel for output o...

Page 60: ...it LCD display in Slave unit Step 5 If there is no more fault alarm the parallel system is completely installed Step 6 Please switch on all breakers of Line wires at load side This system will start t...

Page 61: ...3 Check if the problem happens again or not and feed back the result to your installer 62 Relay board communication loss 71 The firmware version of each inverter is not the same 1 Update all inverter...

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